Question

What is the name of the two-phase microstructure found in steels resulting from the eutectoid transformation of austenite and consisting in alternate layers of ferrite and cementite

Answer 1

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When austenite in iron-carbon alloys is transformed isothermally below the eutectoid temperature at small undercooling, it undergoes eutectoid transformation to produce a unique micro- structure termed “pearlite”, which was discovered by Sorby in 1864.